Home / 18,201.02-25,054.25-15,691.44

Finding the Fourth Proportional to 18,201.02, 25,054.25 and 15,691.44

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Solution

The fourth proportional to 18,201.02, 25,054.25 and 15,691.44 is: 21,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.02 : 25,054.25 = 15,691.44 : x
  2. Step 2: Convert to fraction form
    18,201.02/25,054.25 = 15,691.44/x
  3. Step 3: Cross multiply
    18,201.02x = 25,054.25 × 15,691.44
  4. Step 4: Simplify right side
    18,201.02x = 393,137,182.16
  5. Step 5: Solve for x
    x = 393,137,182.16/18,201.02
  6. Step 6: Final answer
    x = 21,599.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.